<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../../js/plugins/angular/angular.min.js" type="text/javascript"></script>
</head>
<body>
<div ng-app="hd" ng-controller="ctrl">
    网站开启:
    <input type="radio" ng-model="status" ng-value="1">开启
    <input type="radio" ng-model="status" ng-value="0">关闭
    {{status}}

    <div ng-show="status == 0">
        <h3>关闭原因</h3>
        <textarea name="" id="" cols="30" rows="10">维护中</textarea>
    </div>

</div>
<script>
    var m = angular.module('hd',[]);
    m.controller('ctrl',['$scope',function ($scope) {
        $scope.status = 1;
    }])
</script>


</body>
</html>